<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Form
 * @subpackage Element
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */

/** Zend_Form_Element_Xhtml */
require_once 'Zend/Form/Element/Xhtml.php';

/**
 * Submit form element
 *
 * @category   Zend
 * @package    Zend_Form
 * @subpackage Element
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: Submit.php 18951 2009-11-12 16:26:19Z alexander $
 */
class Zend_Form_Element_Submit extends Zend_Form_Element_Xhtml
{
	/**
	 * Default view helper to use
	 * @var string
	 */
	public $helper = 'formSubmit';

	/**
	 * Constructor
	 *
	 * @param  string|array|Zend_Config $spec Element name or configuration
	 * @param  string|array|Zend_Config $options Element value or configuration
	 * @return void
	 */
	public function __construct($spec, $options = null)
	{
		if (is_string($spec) && ((null !== $options) && is_string($options))) {
			$options = array('label' => $options);
		}

		parent::__construct($spec, $options);
	}

	/**
	 * Return label
	 *
	 * If no label is present, returns the currently set name.
	 *
	 * If a translator is present, returns the translated label.
	 *
	 * @return string
	 */
	public function getLabel()
	{
		$value = parent::getLabel();

		if (null === $value) {
			$value = $this->getName();
		}

		if (null !== ($translator = $this->getTranslator())) {
			return $translator->translate($value);
		}

		return $value;
	}

	/**
	 * Has this submit button been selected?
	 *
	 * @return bool
	 */
	public function isChecked()
	{
		$value = $this->getValue();

		if (empty($value)) {
			return false;
		}
		if ($value != $this->getLabel()) {
			return false;
		}

		return true;
	}

	/**
	 * Default decorators
	 *
	 * Uses only 'Submit' and 'DtDdWrapper' decorators by default.
	 *
	 * @return void
	 */
	public function loadDefaultDecorators()
	{
		if ($this->loadDefaultDecoratorsIsDisabled()) {
			return;
		}

		$decorators = $this->getDecorators();
		if (empty($decorators)) {
			$this->addDecorator('Tooltip')
			->addDecorator('ViewHelper')
			->addDecorator('DtDdWrapper');
		}
	}
}
